Home / 436,544,793.90-654,817,190.85-218,228,831.10

Finding the Fourth Proportional to 436,544,793.90, 654,817,190.85 and 218,228,831.10

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Solution

The fourth proportional to 436,544,793.90, 654,817,190.85 and 218,228,831.10 is: 327,343,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,544,793.90 : 654,817,190.85 = 218,228,831.10 : x
  2. Step 2: Convert to fraction form
    436,544,793.90/654,817,190.85 = 218,228,831.10/x
  3. Step 3: Cross multiply
    436,544,793.90x = 654,817,190.85 × 218,228,831.10
  4. Step 4: Simplify right side
    436,544,793.90x = 142,899,990,143,381,120
  5. Step 5: Solve for x
    x = 142,899,990,143,381,120/436,544,793.90
  6. Step 6: Final answer
    x = 327,343,246.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.